diff --git a/.github/workflows/coverage.yml b/.github/workflows/coverage.yml
index 0b35c43..50c0cc3 100644
--- a/.github/workflows/coverage.yml
+++ b/.github/workflows/coverage.yml
@@ -63,7 +63,7 @@ jobs:
 
       - name: Generate coverage report
         run: |
-          lcov -d . -c -o out.info --rc lcov_branch_coverage=1 --no-external --filter branch --filter line
+          lcov -d . -c -o out.info --rc branch_coverage=1 --no-external --filter branch --filter line --ignore-erros mismatch
           lcov -e out.info '*include/ss*hpp' -o filtered.info
 
       - name: Invoke coveralls